Alert archive / Kansas / Tornado Watches in 1999
Tornado Watch 200
The Storm Prediction Center issued this tornado watch at May 3, 1999, 7:30 PM CDT for 34 counties in Kansas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 3, 1999, 7:30 PM CDT (00:30 UTC)
- Expired
- May 4, 1999, 12:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 34 counties
Barber County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Cowley County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Harper County, KS, Harvey County, KS, Jewell County, KS, Kingman County, KS, Lincoln County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Nemaha County, KS, Ottawa County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Wabaunsee County, KS, Washington County, KS
The radar
The Wichita radar (KICT), 68 km from the middle of the area, began a volume at 00:19 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:38 PM CDT | Tornado Warning | ICT | Sumner | 37 min |
| May 3, 7:49 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 61 min |
| May 3, 7:55 PM CDT | Tornado Warning | ICT | Harper | 65 min |
| May 3, 8:16 PM CDT | Tornado Warning | ICT | Sedgwick, Sumner | 64 min |
| May 3, 8:47 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 63 min |
| May 3, 8:58 PM CDT | Severe Thunderstorm Warning | TOP | Morris | 32 min |
| May 3, 8:59 PM CDT | Tornado Warning | ICT | Butler | 61 min |
| May 3, 9:23 PM CDT | Severe Thunderstorm Warning | TOP | Geary, Wabaunsee | 32 min |
| May 3, 9:29 PM CDT | Severe Thunderstorm Warning | ICT | Sumner | 46 min |
| May 3, 9:37 PM CDT | Tornado Warning | ICT | Butler | 48 min |
| May 3, 9:43 PM CDT | Tornado Warning | ICT | Chase | 62 min |
| May 3, 10:18 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage | 27 min |
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 195 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 222 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 2631 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 12:00 AM CDT | Tornado Watch | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 22 more | 5 hr |
| May 4, 1:15 PM CDT | Tornado Watch | SPC | Barton, Butler, Chase, Chautauqua, Clay, Cloud and 30 more | 6 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.